<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.10"/>
<title>SdFat: Fast Pin I/O</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
  $(document).ready(function() { init_search(); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">SdFat
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.10 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="modules.html"><span>Modules</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li><a href="files.html"><span>Files</span></a></li>
      <li>
        <div id="MSearchBox" class="MSearchBoxInactive">
        <span class="left">
          <img id="MSearchSelect" src="search/mag_sel.png"
               onmouseover="return searchBox.OnSearchSelectShow()"
               onmouseout="return searchBox.OnSearchSelectHide()"
               alt=""/>
          <input type="text" id="MSearchField" value="Search" accesskey="S"
               onfocus="searchBox.OnSearchFieldFocus(true)" 
               onblur="searchBox.OnSearchFieldFocus(false)" 
               onkeyup="searchBox.OnSearchFieldChange(event)"/>
          </span><span class="right">
            <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
          </span>
        </div>
      </li>
    </ul>
  </div>
</div><!-- top -->
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="summary">
<a href="#nested-classes">Classes</a> &#124;
<a href="#define-members">Macros</a> &#124;
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">Fast Pin I/O</div>  </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_digital_pin.html">DigitalPin&lt; PinNumber &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fast digital port I/O.  <a href="class_digital_pin.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_gpio_pin_map__t.html">GpioPinMap_t</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gaeea7c59480c0a4e25aad3890545cef52"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#gaeea7c59480c0a4e25aad3890545cef52">fastPinConfig</a>(pin,  mode,  level)&#160;&#160;&#160;{<a class="el" href="group__digital_pin.html#ga5b9c17432f07f0eb39283c8b23665fe7">fastPinMode</a>(pin, mode); <a class="el" href="group__digital_pin.html#gac4f52b5038c366dd4ac081b18709f19c">fastDigitalWrite</a>(pin, level);}</td></tr>
<tr class="separator:gaeea7c59480c0a4e25aad3890545cef52"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gacf92f370944e233db04f7423bde1c164"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#gacf92f370944e233db04f7423bde1c164">GPIO_PIN</a>(reg,  bit)&#160;&#160;&#160;{&amp;PIN##reg, &amp;DDR##reg, &amp;PORT##reg, 1 &lt;&lt; bit}</td></tr>
<tr class="separator:gacf92f370944e233db04f7423bde1c164"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga107992311bca47c7ebee5afdedc280e0"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga107992311bca47c7ebee5afdedc280e0">badPinCheck</a> (uint8_t pin)</td></tr>
<tr class="separator:ga107992311bca47c7ebee5afdedc280e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga2a50c39692fdc6a7be0f614f6d730bfe"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga2a50c39692fdc6a7be0f614f6d730bfe">badPinNumber</a> (void)</td></tr>
<tr class="separator:ga2a50c39692fdc6a7be0f614f6d730bfe"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa28ed1bee40bd072ba33554ac6d36ed8"><td class="memItemLeft" align="right" valign="top">static volatile uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#gaa28ed1bee40bd072ba33554ac6d36ed8">ddrReg</a> (uint8_t pin)</td></tr>
<tr class="separator:gaa28ed1bee40bd072ba33554ac6d36ed8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaff40f792e0b2aefb3ef6f11f32bae3dd"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#gaff40f792e0b2aefb3ef6f11f32bae3dd">fastBitWriteSafe</a> (volatile uint8_t *address, uint8_t mask, bool level)</td></tr>
<tr class="separator:gaff40f792e0b2aefb3ef6f11f32bae3dd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gada03ef0d2522fe5639f5239991993409"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#gada03ef0d2522fe5639f5239991993409">fastDdrWrite</a> (uint8_t pin, bool level)</td></tr>
<tr class="separator:gada03ef0d2522fe5639f5239991993409"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga618a9ee1c3d1b9fc5c8a2c6a43014b08"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga618a9ee1c3d1b9fc5c8a2c6a43014b08">fastDigitalRead</a> (uint8_t pin)</td></tr>
<tr class="separator:ga618a9ee1c3d1b9fc5c8a2c6a43014b08"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5314f1aaede89a4090b44779c8c551f1"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga5314f1aaede89a4090b44779c8c551f1">fastDigitalToggle</a> (uint8_t pin)</td></tr>
<tr class="separator:ga5314f1aaede89a4090b44779c8c551f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac4f52b5038c366dd4ac081b18709f19c"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#gac4f52b5038c366dd4ac081b18709f19c">fastDigitalWrite</a> (uint8_t pin, bool level)</td></tr>
<tr class="separator:gac4f52b5038c366dd4ac081b18709f19c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5b9c17432f07f0eb39283c8b23665fe7"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga5b9c17432f07f0eb39283c8b23665fe7">fastPinMode</a> (uint8_t pin, uint8_t mode)</td></tr>
<tr class="separator:ga5b9c17432f07f0eb39283c8b23665fe7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga99fe9f7aeaaae3764a7b7c40d9d9837b"><td class="memItemLeft" align="right" valign="top">static uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga99fe9f7aeaaae3764a7b7c40d9d9837b">pinMask</a> (uint8_t pin)</td></tr>
<tr class="separator:ga99fe9f7aeaaae3764a7b7c40d9d9837b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga213b72ce9a61eddce1e85fa057e9e3b6"><td class="memItemLeft" align="right" valign="top">static volatile uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga213b72ce9a61eddce1e85fa057e9e3b6">pinReg</a> (uint8_t pin)</td></tr>
<tr class="separator:ga213b72ce9a61eddce1e85fa057e9e3b6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1e2ef44778ccf79ac2c02afe0633ef88"><td class="memItemLeft" align="right" valign="top">static volatile uint8_t *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__digital_pin.html#ga1e2ef44778ccf79ac2c02afe0633ef88">portReg</a> (uint8_t pin)</td></tr>
<tr class="separator:ga1e2ef44778ccf79ac2c02afe0633ef88"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Fast Digital I/O functions and template class. </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="gaeea7c59480c0a4e25aad3890545cef52"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define fastPinConfig</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">pin, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">mode, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">level&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td>&#160;&#160;&#160;{<a class="el" href="group__digital_pin.html#ga5b9c17432f07f0eb39283c8b23665fe7">fastPinMode</a>(pin, mode); <a class="el" href="group__digital_pin.html#gac4f52b5038c366dd4ac081b18709f19c">fastDigitalWrite</a>(pin, level);}</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>set pin configuration </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">mode</td><td>mode INPUT or OUTPUT. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>If mode is output, set level high/low. If mode is input, enable or disable the pin's 20K pullup. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="gacf92f370944e233db04f7423bde1c164"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define GPIO_PIN</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">reg, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname">bit&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td>&#160;&#160;&#160;{&amp;PIN##reg, &amp;DDR##reg, &amp;PORT##reg, 1 &lt;&lt; bit}</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Initializer macro. </p>

</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga107992311bca47c7ebee5afdedc280e0"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void badPinCheck </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Check for valid pin number </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Number of pin to be checked. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga2a50c39692fdc6a7be0f614f6d730bfe"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void badPinNumber </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>generate bad pin number error </p>

</div>
</div>
<a class="anchor" id="gaa28ed1bee40bd072ba33554ac6d36ed8"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static volatile uint8_t* ddrReg </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>DDR register address </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>register address </dd></dl>

</div>
</div>
<a class="anchor" id="gaff40f792e0b2aefb3ef6f11f32bae3dd"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void fastBitWriteSafe </td>
          <td>(</td>
          <td class="paramtype">volatile uint8_t *&#160;</td>
          <td class="paramname"><em>address</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>mask</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>level</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Fast write helper. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">address</td><td>I/O register address </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">mask</td><td>bit mask for pin </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>value for bit </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="gada03ef0d2522fe5639f5239991993409"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void fastDdrWrite </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>level</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Write the DDR register. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>value to write </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga618a9ee1c3d1b9fc5c8a2c6a43014b08"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static bool fastDigitalRead </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Read pin value. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>value read </dd></dl>

</div>
</div>
<a class="anchor" id="ga5314f1aaede89a4090b44779c8c551f1"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void fastDigitalToggle </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Toggle a pin. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number</td></tr>
  </table>
  </dd>
</dl>
<p>If the pin is in output mode toggle the pin level. If the pin is in input mode toggle the state of the 20K pullup. </p>

</div>
</div>
<a class="anchor" id="gac4f52b5038c366dd4ac081b18709f19c"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void fastDigitalWrite </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>level</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Set pin value. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>value to write </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="ga5b9c17432f07f0eb39283c8b23665fe7"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void fastPinMode </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>mode</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Set pin mode. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">mode</td><td>INPUT, OUTPUT, or INPUT_PULLUP.</td></tr>
  </table>
  </dd>
</dl>
<p>The internal pullup resistors will be enabled if mode is INPUT_PULLUP and disabled if the mode is INPUT. </p>

</div>
</div>
<a class="anchor" id="ga99fe9f7aeaaae3764a7b7c40d9d9837b"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static uint8_t pinMask </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Bit mask for pin </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>mask </dd></dl>

</div>
</div>
<a class="anchor" id="ga213b72ce9a61eddce1e85fa057e9e3b6"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static volatile uint8_t* pinReg </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>PIN register address </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>register address </dd></dl>

</div>
</div>
<a class="anchor" id="ga1e2ef44778ccf79ac2c02afe0633ef88"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static volatile uint8_t* portReg </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>pin</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>PORT register address </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">pin</td><td>Arduino pin number </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>register address </dd></dl>

</div>
</div>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue Jul 19 2016 06:31:51 for SdFat by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.10
</small></address>
</body>
</html>
